Cover of Unlocking the World's Largest Nonprofit DatabaseUnlocking the World's Largest Nonprofit Database

GuideStar is the world's largest source of information on nonprofit organizations. The breadth and depth of the GuideStar database are unmatched. Millions of people use the information they find on GuideStar to make decisions about nonprofits. But where does the data come from?

This report discusses the three main types of nonprofit information found on GuideStar:

  • self-reported from nonprofits;
  • drawn from the IRS Business Master File (BMF); and
  • gathered from IRS Forms 990, 990-EZ, and 990-PF.

Download your free copy of "Unlocking the World's Largest Nonprofit Database" to learn more about where GuideStar gets the information that millions rely on.

Publication date: Updated August 2018

Download Your Free Copy

Want to See All of This Information in Action?

Check out GuideStar Premium and GuideStar Pro.